Polycythemia vera

Case contributed by Lemuel Marquez Narcise


One day history of dizziness, vomiting, and ringing in the ears

Patient Data

Age: 35 years
Gender: Male

Hyperdense intracranial vessels (arterial and venous) on a non-enhanced computed tomography study.  No evidence of intracranial mass lesion or mass effects.



Complete blood count shows elevated hemoglobin (215 g/L), hematocrit (0.65), and red blood cells (6.69 million cells per microliter).

Case Discussion

Polycythemia vera is a clinical condition wherein there is an overproduction of red blood cells.  Hematology findings may show increased number of red blood cells, hemoglobin, and hematocrit among others. Common symptoms include but are not limited to dizziness, headache, blurred vision, sweating, itchy skin, and fatigue.

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